/Engine/Source/Editor/SkeletonEditor/Public/ISkeletonEditorModule.h
Get all toolbar extenders
typedef TBaseDelegate_TwoParams< [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< [FExtender](API\Runtime\Slate\Framework\MultiBox\FExtender) >, const [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< [FUICommandList](API\Runtime\Slate\Framework\Commands\FUICommandList) >, [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< [ISkeletonEditor](API\Editor\SkeletonEditor\ISkeletonEditor) > > FSkeletonEditorToolbarExtender